Air-Conditioning System - Doosan DX140R Operation & Maintenance Manual

AIR-CONDITIONING SYSTEM

NOTE: See "Clean
page 4-39.
Check Control Panel
When a function switch is pushed, the last setting has to be
displayed on the LCD display.
When the light switch is turned to "I" position, the LED for
illumination in the control panel has to turn "ON".
Check Air Conditioner Hoses
Check the hose for cracking and damage.
When a leak occurs, dirt will accumulate in the area where
the leak is. Consult a DOOSAN distributor or sales agency.
Check Condenser
Inspect the condenser for dust and debris. Clean if necessary.
NOTE: See "Clean Radiator, Oil Cooler, Intercooler, Fuel
Cooler and Air Conditioner Condenser Core" on
page 4-41.
Check Magnetic Clutch
Check the magnetic clutch for dirt and interference.
Push the "A/C" switch to energize magnetic clutch and check the
magnetic clutch.
Check Belt Tension
NOTE: See "Check Engine Fan Belt Tension" on page 4-33.
DX140R/DX140LCR
Air-Conditioning Outer
CAUTION
AVOID INJURY
Filter" on
Inspection, Maintenance and Adjustment
4-65